Machine for making insoles.



PATENTED JULY 30,- 1907. 0. L. EATON. MACHINE FOR MAKING INSOLES.

APPLIOATION FILED JULY 20, 1905 5 SHEETS-SHEET 1- a E 5 E E kfitqesses- No. 861,361; PATENTBD JULY s o, 1907. I G.L.EATON.

MACHINE FOR MAKING INSOLES.

. APPLIQATION FILED JULY 20. 1905.

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PATENTED JULY 30, 1907.

0. L. EATON. MACHINE FOR MAKING INSOLBS.

APPL IOATION FILED JULY 20. 1 906.

5 sums-311E313.

"Witrysssea. 7 7 .6".

. PATENTED JULY 30, 1907.

C. L. .EATON. MACHINE FOR MAKINGINSOLES.

APPLICATION FILED JULY 20. 1905.

5 SHEETSSHBET 4.

mtqesses;

a WWW No. 861,361. PATENTED JULY 30, 1907.

0. L. EATON. MACHINE FOR MAKING INSOLBS.

APPLICATION FILED JULY 20, 1905.

s SHEETS-SHEET 5.

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W wim mmmmmww x 4 f I |MW SecfioqDjD- I Will/Wm Witqessasaw/W CLARENCE L. EATON, OF WORCESTER, MASSACHUSETTS.

MACHINE FOR MAKING INSOLES.

' Specification of Letters Patent.

Patented July 30, 1907.

Application filed July 20,1905. Serial No. 270,477.

To all whom it may concern:

Be it known that I, CLARENCE L. EATQN, a citizen of the United States, residing at Worcester, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in Machines for Making Insoles; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. The present invention relates to machines for making insoles for boots and shoes and it has particularly for its object the production of asimple and efficient machine designed to make a new formof what is generally known in the trade as a reinforced or composite insole,

comprising a body portion of leather, felt or other suit-' under surface of the sole having its edge turned at right angles to the face of the body portion and the covering.

' forms the lip or shoulder to which the upper and welt place between the out-turned edges of the reinforcing of the shoe will be secured.

The present machine is designed to progressively and step'by step form and press the out-turned edges of the reinforcing coverings towards each other, causing them to stand at right angles to the under surface of the ,sole and to progressively and step by step deliver and coverings the reinforcing welt OI tape, and by means of sewing instrumcutalifies secure the covering by a line of stitches passing through the out-turned edges of the coverings and interposedwelt or tape near the base thereof, thereby forming the lip and securing the covering to the body portion and progressively as the work advances by a suitable trinnning mechanism to trim off the outstanding edges of the reinforcing covering. so that 1hey will be. of uniform height.

"Po the above ends the present invention consists of the devices and combinations of devices which will be hereinafter described and pointed out in the claims.

The present invention is illustrated in the accompan ying drawings, in which:

Figure 1 shows a right hand side elevation of the head of my improved machine; Fig. 2 shows the machine in front elevation; Fig. 3 shows atop plan view of the machine; Fig. 4 shows an enlarged sectional view taken on the line A.'\, shown in Fig. 1, many of the parts, however; being shown in plan; Fig. shows a vertical sectional view of portions of the. feed mechon the line'E-E, Fig. 5; Fig. 7 shows a sectional view' taken on the line 0-4", Fig. 4; Fig. 8 shows a sectional view taken onthe line D-l), Fig. 4.

Similar reference characters will be used throughout the specification and drawings to designate corresponding parts.

In the drawing, 1 represents a suitable head or frame upon and within which are mounted and supported the operating instrumentalities of the machine, and which head or frame may be mounted and supported upon a suitable base or standard (not shown) or on a suitable table or work support as may be -desired. I

Formed in the head or frame 1 is a bearing 2, within which is mounted to revolve themain shaft 3, which is provided with a pulley 4, and by means of which the said shaft 3 will be driven by a belt from any suitable source' of power.

At its opposite end within the opening 5 of the frame or head 1, the main shaft 3 carries a beveled" forming and sewing instrumcntalities are operated, allv as will be hereinafter described.

The machine comprises at its forward portion-a.

suitable work support upon which the work is supported and over which it is moved as the formation of the insole progressively advances, and this work support comprises a table f3 mounted upon or secured to and projecting at right angles from a vertically movable slide 15 held to move .in guides 16 secured by bolts 17 to the front of the frame. or head 1, or to be more exact, to a forwardly projecting portion 18 of the head or frame 1. I

The work table 13 is normally held in its elevate position by means of a strong spiral spring 19 which at its upper end bears against the under side of an. abutment or block 20, to which is secured a rod 21 which the spring 19 surrounds, the said rod passing through a guide 22 on the forward portion 18 of the frame or head 1, and against the upper face of which the lower end of the spring 19 is seated. The rod 21 below the.guide 22 is provided with stop nuts 23 engaging the threaded portion of sai'd..rod and which nuts limit the upward movement of the slide and 'the work support 13.

The lowerend. of the rod 21 is'intended to be connectedto a cord or chain and a foot treadle, (not shown, but a construction which is well known to those skilled in this art) by'meansof which the work supporting table and the attached parts maybe depressed for the purpose of inserting and removing the work. I

3 The work table -13 'is cut out as shown at 24 in Fig.

' 5, immediately below the point of operation of the I and pressing tools when in contact with the lip or shoulder of the insole are 'nioved a short distance to' the left (looking at Fig. 2 of the machine), and it is intended that the feed wheel 26 shall be revolve d intermittently so as to carry its upper edge. along to thellel't at the same time that the work is advanced bythe forming and pressing toolsfand while said -too ls have a movement in the reverse direction, it is intended that the feed wheel 26 shallhave an intermittent or step by step revolution to advance the work without any liability of its moving in the reverse direction. This is accomplished in thefollowing m'anner:The slide 15 carries an angularly disposed 1 bearing 27 in which is mounted to turn the spindle 28-to the upper end of which the fee'd'wheel 26 is secured and at its lower end the spindle 28 has securely fastened to it by means of a spline 29 a disk or collar 30. Below the disk or collar 30 there is mounted upon the spindle 28 so as to rock thereon a bent lever 31, which has an offset arm 32 which projects upwards and overlaps a portion of the periphery of tie disk or collar. 30, and in which is provided a recess 33 having a cam face 34 and a ball pawl 35, the arrangement being such. that as the bent lever 31 is rocked from side to side, when moving in the direction to carry it to the position shown in dotted lines Fig. 6, the'ball pawl will release the peripheral edge of the collar 30 and no movement will be imparted to the spindle 28 and the feed wheel'26; but when rocked in the opposite direction, or as shown. byflfull' lines in Fig. 6 the ball pawl 35 binding against'the cam face 32 of its recess, will pinch, and grip the peripheral edge of the collar 30, thus causing the spindle 28 to turn with the bent lever 31 and imparting a partial turning 1 movement tothe feed wheel 26, all. as will be shown 42 and ad justably secured by means of a nut 43 in a slot 4401 the bent lever 31. The sleeve 37 and arm 36 are rocked from side to side by means of a cam 45 mounted upon the vertical shaft 8, which has a suitable cam path-in which engages a cam rolli46 carried by an arm 47 projecting rearwardly from the sleeve 37. I

It will be seen that the rotation-of the shaft 8 will, through the cam 45, imparta rocking movement to the arm 47 and thence through tho'sleeve 37, arm 36 and bent lever 31, and thepawl or clutch. connection'between the spindle 28 impart an intermittent or step by step rotation of-the' feed wheel, but that no movement of the feedwheel in the reverse direction will be permitted. i

The forming and'press'ing tools are shown in sectional view, Fig. 5, and in side elevation Fig. 1, and'comprise, what mightlbe termed the inside tool 48'and the outside tool 49. These terms are used to indicate-that the -tool 48. operates upon'the inside of the lip and as an abutment against which the outside tool 49 which operates upon the-outside of the lip, is arranged to press thelip. As a matter of fact, the tools each have a 4 clamping movement toward and from each other by m eans of which they grip and compress the outstanding edges qf the reinforcing and covering materialand the inclosed welt strip in the formation of the lip. To

this end thepressing and forming tools 48 and 49.are

reciprocated toward and from each other and with such upon the shaft 8, and as will be hereinafter described,

. arranged to move laterally for the purpose of moving the forming and pressing tools laterally.

The slides 50 and 51 at their rear ends are provided respectively with cam rolls 53 and 54, which engage suitable cam paths in the under face of a cam 55 m ounted upon the vertical shaft 8, whichv cam paths will be suitably formed to impart horizontal reciprocations to the slides 50 and 51 for the purpose of moving the inside tool 48 and the outside tool 49 in suitable time relation to each-other so as to move said tools away from each other to release the work and towards each other to press and form the lip and the inclosedfwelt strip.

The guide 52 upon its under side is provided with a groove 58 engaged by a stud 56, which is adjustably mounted in the arm 57 projecting forwardly from the upper end of the sleeve 37, and by means of which the guide 52 is rocked laterally about the shaft 8, and thus the forming and pressing tools 48 and 49 are moved laterally as described to assist in feeding the work.

It will be noted that the sleeve 37 imparts a lateral movement to the guide '52 and the tools, and also an intermittent rotation to the feed-wheel 26and therefore the intermittent partial turning of the feed wheel 26 and the tools 48 and 49 occur simultaneously, so that oral face 25 of the feed wheel and the tools 48 and 49 and moved positively to the left to feed the work intermittently as the work proceeds, all of which will be clear from an inspection of the drawings.

the work will be gripped between the beveledperiph- The stud 56 as shown in Fig. 7, will be adjustably mounted in the arm 57 and will engage a groove 58 in the under face of the guide 52, so that by adjusting the stud 56 longitudinally along its slot 57 and adjusting the stud 42 along the slot 44 in the bent lever 31, the stroke or length of feed of the wheel 26 and the tools 48 and 49 will be accurately adjusted.

A suitable edge guide 59 to engage the edge of the insole as it lays and moves upon the surface of. the work table 13 will be provided and will be of any desirable shape, that shown in Fig. '4 answering the purpose, and

it will be mounted upon a rocking arm 60 pivoted at '01 to the under surface of the table 13, and normally held in its advanced position by means of a Weight (no shown), secured to the end of a cord or rope 62 which passes over a guide pulley 6 3, and at its forward end is attached to the end 04 of the lever 60. This arrangement rocks the lever 60 about its pivot 61, and holds the guide 59 in its advanced position, which advanced position may be adjusted by means of a st p screw 65 mounted in a threaded boss (36 and a similar stop screw 67 mounted in a boss 68 will limit and determine the rearward movement of the guide 59 as the edge of the sole is pressed against said guide. The stops G5 and 67 engage the edge of the work table 13, all as clearly strip 10, there is provided what will be called a welt guide 69,'shown in Fig. 4 and in Fig. 1, which welt guide is carriedat the-lower end of an arm 70 attached by bolts 71 to the under surface of an arm 72 projecting from the upright portion of the frame or head 1. The

"welt guide is also shown in Fig. 2, and comprises an angularly bent piece of sheet metal having a channel 73 through which the welt strip passes and by means of which it is bent angularly as shown in Fig. 4, and the forward or outlet end of the guide 69 is preferably bent or curved as shown clearly in Fig. 4, so as to fit between the up-turned edges of the reinforcing coverings and correctly deliver the angularly bent welt strip to the action of the tools. I p

After the forming and pressing tools 48 and 49 have pressed the outer edges of the reinforcing material and the welt strip w closely together, the projecting lip thus formed is as heretofore intimated stitched together by a line of stitches passing through the. projecting lip near the base or close to the surface of the sole and for this purpose there is provided in the machine any usual or desired form of sewing mechanism, that shown in. 'thedrawing consisting of a chain stitch mechanism and comprising a curved hooked needle 74 of .the. usual form mounted in a needle segment 75 pivchines.

oted at 76 to a cylindrical bearing 77 and through an arm 79 pivotally connected by preferably a ball joint 80, the needle. segment is oscillated to advance and" vertical shaft 8. Co-iiperatiug with the curved hooked needle is a hook 83 of a type usual inthe chain stitch ing 77, and'a bearing 85, the said shaft being rotated by I means of a beveled-pinion 86 meshing with a similar pinion 87 on the upper end of the vertical shaft 8. The

shaft 84 is preferably provided with a hand wheel 88.

It is believed unnecessary to describe theoperation of the sewing mechanism, as the needle and the hook operate in theusual manner, the needle passing through the material, being supplied with a loop of thread, and delivering to and receiving from the rotating hook 83 the successive loops whereby the usual chain stitch is formed. After the lip has been sewed together as described, the projecting edges thereof are trimmed off and for this purpose there is provided a trimming mechanism comprising two cutters, a cutter 89 fixed by means of screws 90 to the front of the machine frame and having a beveled cutting edge 91 and a cooperating reciprocating cutter 92 adjustably mounted by means of screws 93 passing through slots 94 to the forward end of a reciprocating slide 95 arranged to reciprocate in a fixed guide-way 96. "The cutter 92 also has a beveled edge 97, whereby and cooperating with the beveled edge 91, a shearing cut is produced.

The cutter 92 is reciprocated by means of a link 98 pivotally connected at one end to a block 99 upon which the cutter is mounted, and at .its opposite end to a crank pin 100 mounted upon a crank 101, carried by a horizontal shaft 102, mounted in a bearing 103, and driven by means of a pulley 104, whereby the cutter 92 is rapidly reciprocated and in cooperation with the cutter 91, trims the projecting edge of the lip as the material is fed along.

I have not illustrated or described any of the stitch forming mechanism except the curved hooked needle and the thread hook, as it has not been deemed necessary for me to show any of the other devices, such as the thread supply, tension and other guides, etc. These devices will be the same as those ordinarily embodied in sewing machines and their construction, on ganization and mode of operation is well known to those skilled in the sewing machine art. I liurthermorc, I desire to state. that I do not limit my invention. to a machine adapted to unite the out-turned edges of the reinforcing coverings and the interposed welt by sewing as such may be omitted and the reinforcing coverings and the interposed welt united to the body portion of the insole and to each other by means of glue or cement.

The operation of my invention is as followsz 'lhe body portion of the insole having been prepared in the usual manner by rounding it and imparting thereto the desired shape and configuration, and the reinforcing coverings having been cut out of a sheet of canvas or leather as desired, but preferably canvas because of its rcat stren th in I'OSiSLilW the lateral strains imparted by the upper when attached thereto, and the covering for one surface of the body portion being somewhat larger than that of the other portion so as to be turned over the edge thereof as shown in Fig. 5, such coverings are coated with cement and temporarily socured to the opposite face of the body portion. insole is then laid upon the worlr iniflf) with what will be the upper surface thereof against the work table and the under surface or trea'd surface uppermost. The

The

edges of'the reinforcing coverings are turned up ,as

shown in Fig. 5,. and the welt interposed between theout-turned edges of the reinforcing coverings with a portion of said w'elt turned at-right angles and inserted beneath the reinforcing. coverings as shown in' Fig. .5.-

The machine now being, set in operation the forming and pressing tools move tpwards each other and pinch,

shape and press'the edges of the reinforcing coverings and the interposed welt together, such action causing a stretching and smoothing of the reinforcing coverings as will be readily understood: While the Storming and pressing tools hold the material as shown 'in 5, they are moved laterally'to the left a short distance for the purpose of feeding the work and simultaneously therewith the feed wheel is rotated a short distance-so that the insole is moved-laterally between the two feed mechanisms. After the forming and pressing tools have moved to the full stroketo the left, they move away from each other, releasing the work, then return to their original position and again grip and form thc'ma- I terial preparatory to again feeding it. During the re-.

turn. movement of the forming and pressing .tools the needle is advanced and retractedforming' a stitch at the base of the lip formed by the action of the forming and pressing tools. The trimming knives in the meantime are constantly operating and as the formed lip is passed within their rangeof. movement,

they operate to trim off to a uniform height the edges 0f the reinforcing coverings, substantially inline with. the upper edge of the interposed welt.

Having described my invention, I claim as new and desire to secure by Letters Patent oi the United Statesi- 1. In :1 machine for making insoles, a work support,

combined with forming and pressing tools and means to reciprocate said tools towards and from each other. in a plane parallel to the surface of the work sppport to,cause described.

them tocngagc and press together the edges of the rcinforcing coverings at right angles to the face of the sole and within the marginal edge thereof, substantially as described.

2. ln a machine for making insoles, a ,work support,

combined with forming and pressing tools and means to reciprocate said tools towards and from each other in a plane parallel to the-surface of the work support to cause them to engage and press together the edges of the reinforcing coverings at right angles to thc face ofjhe sole andwlthin the marginal edge thereof and means to unite said marginal edges, substantially as described; 3Q In a machine for making insoles, a work support,

combined with forming and pressing tools and means to reciprocate said tools towards and from each other in a plan'o parallel to the surfaccpf the work support to cause them to engage and press together the edges of the rein-- forcing coveringsat right angles to-the face of the sole and within the marglnal edge thereof, and means to unite the outturned edges of the reinforcing coverings at the base.

thereof and near'the surface of the sole, substantially as 4. In 'a' machine for making insoles, a work support,

combined with forming and pressing tools and means to reciprocutc'suid tools towards and from each other in a plane. parallel to the surface of the work support to cause them to engage and press together the edges of the rein forcing coverings at right angles to the face of the solo and within the marginal edge thereof, and a stitch forming mechanism for uniting the outturncd ((lgcsof the reinforcing coverings, siibstantially as described.

5. Ina machine for making insoles, a work support. combined with forming and pressing tools and bumps to operate said tools to cause them to engage and press tothereof, means to deliver a welt strip bcti. turned edges of the reinforcing coverings and witch form-'.

Bessel thereof, and means to deliver a welt strip between 'the outturnededges of the'.reinfo'r'cing materials as they are pressed together, substantially as described.

6. In a machine-for makinginsoles, a work support, combined with forming'and pressing tools and, means to operate saldtools to cause them to engage and press to' gether the edges of the r-reinforcing coverings'at'right an gles to the faceof the sole and within the marginal edge thereof, means .to deliver a welt strip between the outturned edges of the reinforcing coverings and means to secure such out-turned edges and .the interposed welt strip together,- susbtantlally as described.

7. In a machine for making insoles. a work support,

combined with forming and pressing tools and means to operate said-tools to cause them to engage and press to--' gether the edges of the reinforcing co erings at right'angles to the face of the sole and within the marginal edge on the outing mechanism for securing together the ontturned edges of the reinforcing coverings and the lIItCK'DCLjGfl welt strip at the base thcreof,'and near the surface of the'scl'e, svb

stantially as described. u

8..In a machine for making'lnsoles, a'work suppcrt,

combined with forming'and pressing tools and means to reciprocate said tools towards and from each other in a plane parallel to the surface of the work suooott to cause them to engage and press together the edges of tho rein forcing coverings at-right angles to the face of the sole and within the marginal edge thereof, feeding mei-hanism and trimming mechanism and means to operate sa d trimming mechanism to cause'it to trim off the outturncd edges of the rcinforcing'covorings, substantially as described.

5). In a machine for making insoles, a work support, combincdwith forming and pressing tools and means to operate said tools to cause them to engage and press to .gether the edges of the reinforcing coverings at 'right anglcs to the face of the sole and within the marginal edge' gether the edges ofthe reinforcing covcringsat rig ht an- 'gles to the face of the sole and within themarg'inal. edge thereof, and a welt guide for guiding a welt strip between the out-turned edges of. the reinforcing coverings, said guide constructed and arranged-to impart an angular longitudinal bend to the interposed welt strip, substantially as described. t

combined with forming and pressing tools, means to im-' part to said tools relative reciprocations towards and away from each other in a plane parallel to the surface of the work support and in His '0 import a simultaneous lateral movement to both or said tools, substantially as described.

11. In a machine for making insoles, a work support,

combinedwith formlng'and pressing tools, means to operate said tools to cause them to grip and release the work substantially in a plane parallel with the surface. of the work, a feed wheel and connected mechanism for'imparting a lateral feed movement to,the forming and pressing tools and a simultaneous partial rotation to the feed wheel, substantially as described.

12. In a' machine for making insoles, a work support.

combined with forming and pressing tools and means to reciprocate said tools towards and away from each other in -a plane parallel to the surface of the-work support to Cause a peripheral beveled edge working in the slot in thc t'ahle,

substantially as described.

14. The combination with the forming and pressing tools 48 and 4!), the slides 50 and 51 carryingsaid tools, and the cam 55conncctcd with and operating said slidestojmpart simultaneous relative rcciprocations to said slides and tools, substantially as described. I

, v ,1'1'5 10.- In a machine for-making insoles, a work support-f 15. The combination with the forming and pressing tools ,end means to impart thereto relative lateral leciptoeat'ions towards and away from each other, the pivoted guide supporting said tools and means to rock said-guide about its pivot, substantially as described.

16. he combination with the longitudinally reciprocating and laterally rocking forming and pressing tools and means for operating the same, of a work table and slot in said work table, a feed wheel exposed in saidslot and means to I two witnesses.

partially turn the feed wheel in time relation to the rock- 10 ing of the forming and pressing tools, substantially as de scribed.

In testimony whereof I nlilx my signature, in presence of 

